Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● d4→e5	● e6→d5, g7→f6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● b4 (2v0)
Cases faibles	—	—
Centre	● e4 (2v1)	● d4 (1v0), ● e5 (3v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Ouvertes	● c	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bd3	● Bd3 Actif (mob. 11)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (● c1, ● a1, ● h1)	4 (● c8, ● f8, ● a8, ● h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre	● Au centre
Droits de roque	O-O / O-O-O	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé

C06l — French: Tarrasch, Closed, 8…f6 9.Nf4

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4 8.cxd4 f6 9.Nf4 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Qh5+ (Contrôle diagonale h5-e8, Prépare O-O-O — 91 % des parties) ; Nf3 (3 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nxd4 (Cavalier centralisé en d4 — 89 % des parties) ; ...Qe7 (Pression sur colonne e, Prépare O-O-O — 9 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1939 Margate – Round 9 – Keres, Paul – 1-0 – Menchik, Vera Frantsevna – G42 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. Bd3 c5 5. e5 Nfd7 6. c3 cxd4 7. cxd4 Nc6 8. Ne2 f6 9. Nf4 Qb6 10. Qh5+ Kd8
1951 Hungary Ch – Round 1 – Szily, Jozsef – 1-0 – Eigler, Ferenc – G81 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. Nf4 Qe7 10. Nf3 g6
1955 Hamburg – Round 10 – Bialas, Wolfram – 1-0 – Castaldi, Vincenzo – G78 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. Nf4 Qe7 10. Nf3 fxe5
1955 Novi Sad – Round 8 – Trajkovic, Mihajlo – 1-0 – Matanovic, Aleksandar – G70 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. Bd3 c5 5. e5 Nfd7 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. Nf4 Qe7 10. exf6 Nxf6
1957 Wageningen zt – Round 2 – Niephaus, Walter – 1/2-1/2 – Stahlberg, Gideon – G13 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. Nf4 Qe7 10. exf6 Qxf6
SWIFT 1986 – Round ? – Van der Wiel, John T.H. – 0-1 – Timman, Jan H – G47 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. Nf4 Nxd4 10. Qh5+ Ke7

C06l — Tarrasch, Closed (1939)

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4 8.cxd4 f6 9.Nf4

Les coups candidats

9…Nxd4 — 86.9% (1944 parties)

Ambassadeurs : Bernal Varela, Nelson (17x), Cech, Pavel (11x), Arzumanian, Georgii (9x), Langer, Michael (7x), Lalic, Susan K (6x), Prandstetter, Eduard (6x), Theissl Pokorna, Regina (6x), Roeder, Frank (6x)

9…Qe7 — 11.0% (247 parties)

Ambassadeurs : Jovanovic, Bratislav M (7x), Bensdorp-De Labaca, Marlies (2x), Vysochin, Spartak (2x), Gvilava, Maya (2x), Bradford, Joseph (2x), Flir, Emilio (2x), Castagna, Alessandro (1x), Burkhalter, Alfred (1x)

9…fxe5 — 1.4% (31 parties)

Ambassadeurs : Owczarzak, Jerzy (2x), Vavra, Pavel (2x), Sengupta (2x), Ulybin, Mikhail (2x), Emunds, Hans Georg (1x), Blum, Norbert (1x), Repp, Heinrich (1x), Steckner, Johannes (1x)

9…Nb6 — 0.2% (4 parties)

Ambassadeurs : Turner, Joseph David (1x), Thomas, James (1x), Psyk, Radoslaw (1x), Ryk, Mikolaj (1x), Waisberg, Arnold (1x), Brassoi-Tarnovszki, Aurel (1x), Blake, J Morgan (1x), Putar, Slavko (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Nxd4	9…Qe7	9…fxe5	9…Nb6
<1800	138	86%	12%	1%	1%
1800-2200	1139	86%	11%	1%	0%
2200-2600	699	91%	8%	1%	—
2600+	9	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9…Nxd4	9…Qe7	9…fxe5	9…Nb6
1950s	6	17%	83%	—	—
1960s	5	60%	40%	—	—
1970s	18	83%	17%	—	—
1980s	144	93%	4%	2%	—
1990s	264	86%	12%	1%	—
2000s	680	84%	15%	1%	—
2010s	1015	88%	9%	2%	0%
2020s	105	94%	5%	—	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Nxd4	88%	94%	▲ +6.2%
9…Qe7	9%	5%	▼ -4.5%
9…fxe5	2%	0%	▼ -1.9%
9…Nb6	0%	1%	▲ +0.7%

Parties historiques

9…Nxd4 — 86.9% (1944 parties)

1959 — Hinne, Jobst vs Weise, Dieter — 0-1 — FRG-ch Nuerenberg GER
1960 — Blume, Jannik vs Schuster, Ailleann — 0-1 — Berlin West
1963 — Bernhardt, Rolf vs Weise, Wolfgang, Dr. — 1-0 — Hamburg GER
1967 — Lambshire, Michael V vs Meade, Philip James — 0-1 — Oxford ch-BCF
1972 — Dietze, Wolfgang, Dr. vs Schaefer, Alexander — 0-1 — ?

9…Qe7 — 11.0% (247 parties)

1951 — Szily, Jozsef vs Eigler, Ferenc — 1-0 — Hungary ch
1953 — Lloyd, David Edward vs Cafferty, Bernard — 0-1 — Hastings ENG
1955 — Bialas, Wolfram vs Castaldi, Vincenzo — 1-0 — Hamburg GER
1955 — Talevski, Mihajlo vs Matanovic, Anto — 1-0 — Novi Sad SRB
1957 — Niephaus, Walter vs Stahlberg, Gideon — 1/2-1/2 — Wageningen zt

9…fxe5 — 1.4% (31 parties)

1985 — Repp, Heinrich vs Steckner, Johannes — 0-1 — ?
1987 — Emunds, Hans Georg vs Blum, Norbert — 1/2-1/2 — Muenster GER
1989 — Simonini, Manlio vs Torielli, A. — 1-0 — Italy
1990 — Roeder, Frank vs Martin, Thomas — 1-0 — Vorra GER ch-BAY H1
1996 — Voje, Daniel vs Storbakken, Allen — 0-1 — USA

9…Nb6 — 0.2% (4 parties)

2010 — Turner, Joseph David vs Thomas, James — 0-1 — Cardiff WLS
2013 — Psyk, Radoslaw vs Ryk, Mikolaj — 1-0 — Karpacz
2017 — Waisberg, Arnold vs Brassoi-Tarnovszki, Aurel — 1-0 — Budapest HUN
2021 — Blake, J Morgan vs Putar, Slavko — 1-0 — Struga MKD

1939 Margate – Round 9 – Keres, Paul – 1-0 – Menchik, Vera Frantsevna – G42

1951 Hungary Ch – Round 1 – Szily, Jozsef – 1-0 – Eigler, Ferenc – G81

1955 Hamburg – Round 10 – Bialas, Wolfram – 1-0 – Castaldi, Vincenzo – G78

1955 Novi Sad – Round 8 – Trajkovic, Mihajlo – 1-0 – Matanovic, Aleksandar – G70

1957 Wageningen zt – Round 2 – Niephaus, Walter – 1/2-1/2 – Stahlberg, Gideon – G13

SWIFT 1986 – Round ? – Van der Wiel, John T.H. – 0-1 – Timman, Jan H – G47